JsonApiMiddleware::_errorType PHP Method

    static function _errorType($type = 1)
    {
        switch ($type) {
            default:
            case E_ERROR:
                // 1 //
                return 'ERROR';
            case E_WARNING:
                // 2 //
                return 'WARNING';
            case E_PARSE:
                // 4 //
                return 'PARSE';
            case E_NOTICE:
                // 8 //
                return 'NOTICE';
            case E_CORE_ERROR:
                // 16 //
                return 'CORE_ERROR';
            case E_CORE_WARNING:
                // 32 //
                return 'CORE_WARNING';
            case E_CORE_ERROR:
                // 64 //
                return 'COMPILE_ERROR';
            case E_CORE_WARNING:
                // 128 //
                return 'COMPILE_WARNING';
            case E_USER_ERROR:
                // 256 //
                return 'USER_ERROR';
            case E_USER_WARNING:
                // 512 //
                return 'USER_WARNING';
            case E_USER_NOTICE:
                // 1024 //
                return 'USER_NOTICE';
            case E_STRICT:
                // 2048 //
                return 'STRICT';
            case E_RECOVERABLE_ERROR:
                // 4096 //
                return 'RECOVERABLE_ERROR';
            case E_DEPRECATED:
                // 8192 //
                return 'DEPRECATED';
            case E_USER_DEPRECATED:
                // 16384 //
                return 'USER_DEPRECATED';
        }
    }

 /**
  * Sets a buch of static API calls
  *
  */
 function __construct()
 {
     $app = \Slim\Slim::getInstance();
     $app->config('debug', false);
     // Mirrors the API request
     $app->get('/return', function () use($app) {
         $app->render(200, array('method' => $app->request()->getMethod(), 'name' => $app->request()->get('name'), 'headers' => $app->request()->headers(), 'params' => $app->request()->params()));
     });
     // Generic error handler
     $app->error(function (Exception $e) use($app) {
         $app->render(500, array('error' => true, 'msg' => \JsonApiMiddleware::_errorType($e->getCode()) . ": " . $e->getMessage()));
     });
     // Not found handler (invalid routes, invalid method types)
     $app->notFound(function () use($app) {
         $app->render(404, array('error' => TRUE, 'msg' => 'Invalid route'));
     });
     // Handle Empty response body
     $app->hook('slim.after.router', function () use($app) {
         //Fix sugested by: https://github.com/bdpsoft
         //Will allow download request to flow
         if ($app->response()->header('Content-Type') === 'application/octet-stream') {
             return;
         }
         if (strlen($app->response()->body()) == 0) {
             $app->render(500, array('error' => TRUE, 'msg' => 'Empty response'));
         }
     });
 }